NekoTrace

Collects and displays Open Telemetry data.

• Delightful tracing flame graph-esk viewer with multiple span layout options.
• Filtering and ordering of traces and spans in tables.
• View by trace or span type.
• Simple to run - portable executable with no infrastructure dependencies (like a database).
• All stored in memory (with retention option(s)).
• Built in MCP server at http://localhost:8347/mcp, there's also a cli for better analysis (advertised by the MCP).

Available on Docker Hub.

• Safe releases: docker run -p 4317:4317 -p 4318:4318 -p 8347:8347 -d --pull=always colinbradley/nekotrace:latest
• Brave releases: docker run -p 4317:4317 -p 4318:4318 -p 8347:8347 --rm --pull=always colinbradley/nekotrace:dev

Check out a demo here.

This is a work in progress, but very usable (well, I think so - despite it being a little ugly).

Neko means cat in Japanese, cats are small and cute. They are not dogs with lots of data. A lot of good names were taken.

• Click and drag to pan.
• MouseWheel to zoom in and out.
• Alt + MouseWheel to scroll vertically.
• Alt + Shift + MouseWheel to scroll horizontally.
• Double click to reset zoom and location.